Question

Find the factors of the following:
A) x² – 25 by 16
B) 16x2 - 9

Answer 1

Answer:

a)x^2-25/16

=x^2-(5/4)^2

=(x+5/4)(x-5/4)

b)16x^2-9

=(4x)^2-3^2

=(4x+3)(4x-3)

Step-by-step explanation:

hope this help u.....

Answer 2

Answer:

for B

(4x+3) (4x-3)

Step-by-step explanation:

16x^2-9

(4x)^2-3^2

by a^2-b^2=(a+b)(a-b)

so,

(4x+3) (4x-3)